Healthy volunteers · Arizona
Studies for healthy volunteers in Arizona
136 studies have at least one recruiting site in Arizona. These studies say in their official record that they accept healthy volunteers. Many are Phase 1 studies that test how a new medicine is absorbed and tolerated; others recruit healthy people as a comparison group alongside patients.
136 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
PREVENT ALL ALS Study
St. Joseph's Hospital and Medical Center, Phoenix
- Location
- Phoenix, AZ + 30 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Ultrasound With Subharmonic Imaging and Subharmonic Aided Pressure Estimation (SHAPE) to Identify Portal Hypertension
Mayo Clinic
- Location
- Scottsdale, AZ + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
PPMI Clinical - Establishing a Deeply Phenotyped PD Cohort
Michael J. Fox Foundation for Parkinson's Research
- Location
- Phoenix, AZ + 29 other US sites
- Eligibility basics
- Ages 30+
- RecruitingHealthy volunteers
Pancreatic Cancer Early Detection Consortium
Arbor Research Collaborative for Health
- Location
- Scottsdale, AZ + 39 other US sites
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Goal Setting to Promote Physical Activity Adherence in Midlife Adults
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 45–65
- RecruitingHealthy volunteersPhase 2
Smart Walk: A Culturally Tailored Smartphone-Delivered Physical Activity Intervention for African American Women
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 24–65 · Women only
- RecruitingHealthy volunteers
Methadone Patient Access to Collaborative Treatment
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Testing the Effect of the Broccoli Seed and Sprout Extract, Avmacol ES, on the Cancer Causing Substances of Tobacco in Heavy Smokers
National Cancer Institute (NCI)
- Location
- Tucson, AZ + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Brain Processes Underlying Speech Motor Learning and Speech Production
Arizona State University
- Location
- Tempe, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evaluation of a Novel Auto Segmentation Algorithm for Normal Structure Delineation in Radiation Treatment Planning
Mayo Clinic
- Location
- Scottsdale, AZ + 6 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Feasibility of Breathwork Intervention With Older Adults After Knee Surgery
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Molecular Genetics Studies of Cancer Patients and Their Relatives
City of Hope Medical Center
- Location
- Phoenix, AZ + 33 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Increasing Physical Activity Through Social Support and Stress Resilience
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteersPhase 2
Enfortumab Vedotin for the Treatment of Patients With Metastatic or Unresectable Squamous Cell Carcinoma of the Penis
Mayo Clinic
- Location
- Phoenix, AZ + 2 other US sites
- Eligibility basics
- Ages 18+ · Men only
- RecruitingHealthy volunteers
SPIROMICS Study of Early COPD Progression (SOURCE)
University of Massachusetts, Worcester
- Location
- Scottsdale, AZ + 13 other US sites
- Eligibility basics
- Ages 30–55
- RecruitingHealthy volunteers
Playing Game to Learn About Children's Vaccine Project
Michigan State University
- Location
- Chandler, AZ
- Eligibility basics
- Ages 11–14
- RecruitingHealthy volunteers
Hypknowledge Nationwide Sleep Extension
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Effect of a Fermented Dairy Protein With Prebiotic Fiber on GI Complaints
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
A SMART Trial of Adaptive Exercises to Optimize Aerobic-Fitness Responses
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Brain Mechanisms of Reducing Polysubstance Use
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effectiveness Comparison of 3D-Printed and Conventional Ear Tip Comfort in Individuals With Hearing in the Normal Range
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–89
- RecruitingHealthy volunteers
Transgenerational Metabolic-Immune Biomarkers of Neurological and Neurodevelopmental Disorders
Southwest Autism Research & Resource Center
- Location
- Phoenix, AZ + 1 other US site
- Eligibility basics
- Up to age 18
- RecruitingHealthy volunteers
The Impact of Exercise on the Tumor Microenvironment in Patients With Lung Cancer
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Enhancing Health in Rural Populations: Music as Therapy
Northern Arizona University
- Location
- Flagstaff, AZ + 1 other US site
- Eligibility basics
- Any age listed
Who these studies look for
“Healthy” is decided at screening, not by you. Sites usually check vital signs, blood and urine tests, an ECG, your medications and sometimes your BMI or smoking status. A study can still turn you away for reasons that have nothing to do with being unwell, such as timing or a full roster.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Do healthy volunteer studies pay?
Many do, because volunteers give up time and follow strict schedules, but amounts are set by each study and are usually only confirmed by the research site. When a record states an amount we show the exact wording; otherwise we say compensation is not disclosed.
What happens at a screening visit?
Expect consent paperwork first, then a health questionnaire, vital signs, blood and urine samples and often an ECG. You can ask questions and withdraw at any time, before or after you sign.